PDFWAC 314-68-050
What are the procedures for a private individual to bring alcoholic beverages into the state from another state for personal or household use?
(1) You must obtain prior authorization from the board before bringing alcoholic beverages into the state from another state for personal or household use. Any private individual who fails to obtain prior authorization will be subject to the provisions of RCW 66.44.160, "Illegal possession, transportation of alcoholic beverages."
(2) To obtain approval if you know the quantity of alcoholic beverages you will bring into the state:
(a) Mail a list of the items to be brought into the state to the Washington State Liquor and Cannabis Board, Purchasing Division, Olympia, Washington.
(b) The liquor purchasing agent will compute the tax and markup.
(c) The board will mail an authorization once the payment of the applicable equivalent markup and tax is paid.
(3) To obtain approval if you do not know the quantity of alcoholic beverages you will bring into the state:
(a) Mail a certification that markup and tax will be paid to the Washington State Liquor and Cannabis Board, Purchasing Division, Olympia, Washington.
(b) The liquor purchasing agent will review the certification to pay equivalent markup and tax and mail an authorization to bring the alcoholic beverages into the state along with a declaration form.
(c) Once you have brought the alcoholic beverages into the state:
(i) Fill out the declaration form.
(ii) Compute the state taxes and markup using the chart on the form.
(iii) Sign the form.
(iv) Keep a copy for your records.
(v) Mail a copy of the form with payment within 10 days to the Washington State Liquor and Cannabis Board, Purchasing Division, Olympia, Washington.